Thermophore MaxHeat Plus 14 x 27 Large Shampoo Showers Bathtubs With a patient weight capacity Mineral oil softens and With a patient weight capacity of 300 pounds a dual axle for hemi height adjustment and multi position caster forks it is one of the more versatile wheelchairs on the market today 5v instruments heads * Adjustable rheostat control * Safety switch to prevent accidental draining of battery * Metal head connectors for durability * Direct plug in style * 100 130v 50 60 Hz * Model WA71000C uses 3 *MaxHEAT Plus units let you add additional water in dry environments * Moisture helps the intense heat penetrate even more deeply relieving pain relaxing muscle spasm and increasing rejuvenating circulation * Two switch options put you in total control of the heat level minute by minute Just hold down or press on for heat and release or press off to cool depending on the style